Flu (Viral): Flu, an infection of the nose, throat and lungs, is caused by influenza viruses. Illness can vary from mild to severe. Symptoms include fever, cough, sore throat, runny or stuffy nose, body aches, chills, fatigue and other issues. Children of any age with severe flu symptoms should go to the doctor.

Please click the links below to learn more information from the CDC about the flu: